Fix support for Chinese and other characters in setwarp and sethome filenames; ensure backward compatibility with old safe string names replaced by underscores

Essentials/src/main/java/com/earth2me/essentials/UserData.java

@@ -143,10 +143,12 @@ private String getHomeName(String search) {
         }
         return search;
     }
-
+    //Optimize character compatibility
     public Location getHome(final String name) {
-        final String search = getHomeName(name);
-        final LazyLocation loc = holder.homes().get(search);
+        LazyLocation loc = holder.homes().get(getHomeName(name));
+        if (loc == null) {
+            loc = holder.homes().get(getHomeName(StringUtil.safeString(name)));
+        }
         return loc != null ? loc.location() : null;
     }
 
@@ -179,28 +181,32 @@ public List<String> getHomes() {
 
     public void setHome(String name, final Location loc) {
         //Invalid names will corrupt the yaml
-        name = StringUtil.safeString(name);
+        name = StringUtil.new_safeString(name);
         holder.homes().put(name, LazyLocation.fromLocation(loc));
         config.save();
     }
 
     public void delHome(final String name) throws Exception {
         String search = getHomeName(name);
-        if (!holder.homes().containsKey(search)) {
-            search = StringUtil.safeString(search);
-        }
-        if (holder.homes().containsKey(search)) {
-            holder.homes().remove(search);
+        String safeSearch = StringUtil.new_safeString(search);
+        String oldSafeSearch = StringUtil.safeString(search);
+        if (holder.homes().containsKey(safeSearch)) {
+            holder.homes().remove(safeSearch);
+            config.save();
+        } else if (holder.homes().containsKey(oldSafeSearch)) {
+            holder.homes().remove(oldSafeSearch);
             config.save();
         } else {
             throw new TranslatableException("invalidHome", search);
         }
     }
 
+
     public void renameHome(final String name, final String newName) throws Exception {
         final LazyLocation location = holder.homes().remove(name);
+        //If possible, it is necessary to improve the compatibility here to make it support underscores
         if (location != null) {
-            holder.homes().put(StringUtil.safeString(newName), location);
+            holder.homes().put(StringUtil.new_safeString(newName), location);
             config.save();
         } else {
             throw new TranslatableException("invalidHome", name);

Essentials/src/main/java/com/earth2me/essentials/Worth.java

@@ -32,6 +32,7 @@ public Worth(final File dataFolder) {
     public BigDecimal getPrice(final IEssentials ess, final ItemStack itemStack) {
         BigDecimal result = BigDecimal.ONE.negate();
 
+
         final String itemname = itemStack.getType().toString().toLowerCase(Locale.ENGLISH).replace("_", "");
 
         if (VersionUtil.PRE_FLATTENING) {

Essentials/src/main/java/com/earth2me/essentials/commands/Commandhome.java

@@ -15,6 +15,7 @@
 import java.util.Collections;
 import java.util.List;
 import java.util.Locale;
+import java.util.Optional;
 import java.util.concurrent.CompletableFuture;
 
 public class Commandhome extends EssentialsCommand {
@@ -124,7 +125,9 @@ private void goHome(final User user, final User player, final String home, final
         if (home.length() < 1) {
             throw new NotEnoughArgumentsException();
         }
-        final Location loc = player.getHome(home);
+
+        final  Location loc = player.getHome(home);
+
         if (loc == null) {
             throw new NotEnoughArgumentsException();
         }

Essentials/src/main/java/com/earth2me/essentials/utils/StringUtil.java

@@ -10,17 +10,18 @@
 import java.util.regex.Pattern;
 
 public final class StringUtil {
-    private static final Pattern INVALIDFILECHARS = Pattern.compile("[^a-z0-9-]");
+    private static final Pattern INVALIDCHARACTER = Pattern.compile("[/\\\\:*?\"<>|\\x00-\\x1F]");
     private static final Pattern STRICTINVALIDCHARS = Pattern.compile("[^a-z0-9]");
     @SuppressWarnings("CheckStyle")
-    private static final Pattern INVALIDCHARS = Pattern.compile("[^\t\n\r\u0020-\u007E\u0085\u00A0-\uD7FF\uE000-\uFFFC]");
+    private static final Pattern INVALIDCHARS = Pattern.compile("[^\t\n\r\u0020-\u007E\u0085\u00A0-\uD7FF\uE000-\uFFFD]");
+
 
     private StringUtil() {
     }
 
     //Used to clean file names before saving to disk
     public static String sanitizeFileName(final String name) {
-        return INVALIDFILECHARS.matcher(name.toLowerCase(Locale.ENGLISH)).replaceAll("_");
+        return INVALIDCHARACTER.matcher(name.toLowerCase(Locale.ENGLISH)).replaceAll("_");
     }
 
     //Used to clean strings/names before saving as filenames/permissions
@@ -30,6 +31,12 @@ public static String safeString(final String string) {
         }
         return STRICTINVALIDCHARS.matcher(string.toLowerCase(Locale.ENGLISH)).replaceAll("_");
     }
+    public static String new_safeString(final String string) {
+        if (string == null) {
+            return null;
+        }
+        return INVALIDCHARACTER.matcher(string.toLowerCase(Locale.ENGLISH)).replaceAll("_");
+    }
 
     //Less restrictive string sanitizing, when not used as perm or filename
     public static String sanitizeString(final String string) {